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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6049) Serializing "List" containing null elements will cause NullPointerException in HbaseObjectWritable.writeObject()
Date Mon, 21 May 2012 08:43:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280038#comment-13280038
] 

Hadoop QA commented on HBASE-6049:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12528398/HBASE-6049-v2.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 hadoop23.  The patch compiles against the hadoop 0.23.x profile.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 33 new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

     -1 core tests.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.io.TestHbaseObjectWritable

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/1943//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/1943//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/1943//console

This message is automatically generated.
                
> Serializing "List" containing null elements will cause NullPointerException in HbaseObjectWritable.writeObject()
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-6049
>                 URL: https://issues.apache.org/jira/browse/HBASE-6049
>             Project: HBase
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.94.0
>            Reporter: Maryann Xue
>         Attachments: HBASE-6049-v2.patch, HBASE-6049.patch
>
>
> An error case could be in Coprocessor AggregationClient, the median() function handles
an empty region and returns a List Object with the first element as a Null value. NPE occurs
in the RPC response stage and the response never gets sent.

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